[Merkaartor] Precondition failed

[Shaun McDonald]

On 5 Apr 2010, at 04:22, Dmytro Ovdiienko wrote:

> Hi,
> 
> I would like to talk about some inconvenient (for me) thing in the mapping with Merkaartor.
> 
> Sometimes OSM server returns error "Precondition failed". In this case Merkaartor should:
> 
> 1. Point user to the failed node
> 2. Allow user to fix it
> 3. Continue uploading 
> 
> or
> 
> It should allow user to rollback transaction.

If any editor is using the diff upload, then the rollback is done automatically on error. At a minimum any editor should remember which items have already been uploaded successfully for future uploads, thus preventing duplicate uploads.

Shaun

> 
> In fact if I'm uploading roads, Merkaartor uploads only nodes and leaves them as is. It does not delete them...After error I should delete all nodes and repeat procedure from the beginning.
> 
> Maybe I don't know how to handle this case correctly. Please help.
> 
> -- 
> Best regards.
> 
> Dmytro Ovdiienko
> 
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